#include<stdio.h>

#define DAYSYEAR (365 * 24 * 60 * 60)UL
#define SWAP(m, n) do{\
		typeof(m) tem;\
		tem = (m);\
		m = (n);\
		n = tem;\
		}while(0);

int main(int argc, char *argv[])
{
	int num1 = 10;
	int num2 = 99;

	SWAP(num1, num2);
	printf("num1:%d\nnum2:%d\n", num1, num2);
	printf("%d\n", DAYSYEAR);

	printf("__FUNCTION__%s\n", __FUNCTION__);

	return 0;
}

